镜头一:热闹的表演。在学区优质课比武中,有一刚分配来的年轻教师,设计了很多环节,学生的积极性很高,课堂气氛很活跃。最后这位老师让学生分组即兴表演,许多同学在表演时发出笑声、说话声,音量甚至盖过了音乐声。这么一个嘈杂的环境中,怎么叫其他学生能跟着音乐表演呢?“请大家 Lens one: lively performance. In the contest of high quality classes in the school district, there is a young teacher who has just been assigned to many aspects of the program. The enthusiasm of the students is very high and the classroom atmosphere is very active. In the end, the teacher let students group improvise performances. Many of the students made laughter, voices and even overshadowed musical performances. In such a noisy environment, how can other students follow the music performance? "Please everyone